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dogwatch

Member Since 17 Oct 2005
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Posts I've Made

In Topic: Bermuda?

Today, 01:38 PM

 

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The weather provided perfect conditions for a day with the America's Cup defender. Sunshine and a light morning breeze that built to a moderate strength just before the speed trials, allowing a Foil Fest that featured good foiling competition.

"There was more wind out there than we were expecting," Spithill said. "I think it made for a great show."

ORACLE TEAM USA and SoftBank Team Japan exchanged wins in the first two races, but after ORACLE TEAM USA jumped the start in the last contest, SoftBank Team Japan won the day and donated a collective pot of $12,500 to local charities.
http://oracle-team-u...-Foil-Fest.html

It looks like Dean and Nick are getting similar performance out of their hand me down T as Oracle on their 3rd generation T. Alarm bells will be ringing soon, especially with ETNZ on the water now

 

 

 

Speed trials i.e. a blast down a point of sail that doesn't appear on the course. Who the hell cares about "speed trials"?


In Topic: Heavy Air Sail Trimming

24 June 2016 - 07:30 AM

I lately have been seeking my adrenaline hits from sailing in overpowered conditions.  Currently sailing a single person hiker with fully batten sails on a bendy carbon mast (CL Stealth).

Vang - Loose so that all of the pressure is on the lower half of sail with less leverage to counter.  I recall someone warning me that this will make it harder to keep the boat upright with the top dumping air at unexpected times.

 

 

No, tight to bend the mast. If you are sailing upwind with the main uncleated - and you should be - then your arms will also be grateful for the kicker (vang to you) doing some of the work.


In Topic: A thread for those who are Happy they paid for the App

23 June 2016 - 08:09 AM

^

 

Yes, various people have reported that to be the case.


In Topic: The winning foils

23 June 2016 - 06:45 AM


 

The weak dependence of Cd (Dissipation coef) on pressure gradients (assuming fixed transition locations) indicates that the dissipation D(s)= Rho*Ue^3*Cd

 

 

 

I've never heard of "dissipation" in the context of aerodynamics but that looks more like an equation for predicting power than drag.


In Topic: West Coast of Mull - snaps

22 June 2016 - 07:46 AM

But in a way the Scot's have a bit of a last laugh because after QE I died the Scottish King James VI became King James I of England and it is one of his descendants who currently sits on the throne of the Court of St. James.

 

So you reckon Saxe-Coburg Gotha is a traditional Scottish family name? The Glorious Revolution pretty much ended the Scottish connection.